Analysis Overview
SHA256
efafd247cd37dd6d00d4bf2b719ae548c8fb191b90e0925b5273458ea9e557af
Threat Level: Known bad
The file efafd247cd37dd6d00d4bf2b719ae548c8fb191b90e0925b5273458ea9e557af.exe was found to be: Known bad.
Malicious Activity Summary
Stealc
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Checks BIOS information in registry
Identifies Wine through registry keys
Suspicious use of NtSetInformationThreadHideFromDebugger
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-09-20 01:51
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-20 01:51
Reported
2024-09-20 01:54
Platform
win7-20240903-en
Max time kernel
119s
Max time network
120s
Command Line
Signatures
Stealc
Identifies VirtualBox via ACPI registry values (likely anti-VM)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ | C:\Users\Admin\AppData\Local\Temp\efafd247cd37dd6d00d4bf2b719ae548c8fb191b90e0925b5273458ea9e557af.exe | N/A |
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\efafd247cd37dd6d00d4bf2b719ae548c8fb191b90e0925b5273458ea9e557af.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\efafd247cd37dd6d00d4bf2b719ae548c8fb191b90e0925b5273458ea9e557af.exe | N/A |
Identifies Wine through registry keys
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Wine | C:\Users\Admin\AppData\Local\Temp\efafd247cd37dd6d00d4bf2b719ae548c8fb191b90e0925b5273458ea9e557af.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\efafd247cd37dd6d00d4bf2b719ae548c8fb191b90e0925b5273458ea9e557af.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\efafd247cd37dd6d00d4bf2b719ae548c8fb191b90e0925b5273458ea9e557af.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\efafd247cd37dd6d00d4bf2b719ae548c8fb191b90e0925b5273458ea9e557af.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\efafd247cd37dd6d00d4bf2b719ae548c8fb191b90e0925b5273458ea9e557af.exe
"C:\Users\Admin\AppData\Local\Temp\efafd247cd37dd6d00d4bf2b719ae548c8fb191b90e0925b5273458ea9e557af.exe"
Network
| Country | Destination | Domain | Proto |
| RU | 185.215.113.103:80 | 185.215.113.103 | tcp |
Files
memory/2744-0-0x0000000001190000-0x0000000001671000-memory.dmp
memory/2744-1-0x00000000778B0000-0x00000000778B2000-memory.dmp
memory/2744-2-0x0000000001191000-0x00000000011A5000-memory.dmp
memory/2744-3-0x0000000001190000-0x0000000001671000-memory.dmp
memory/2744-5-0x0000000001190000-0x0000000001671000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-20 01:51
Reported
2024-09-20 01:54
Platform
win10v2004-20240802-en
Max time kernel
94s
Max time network
100s
Command Line
Signatures
Stealc
Identifies VirtualBox via ACPI registry values (likely anti-VM)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ | C:\Users\Admin\AppData\Local\Temp\efafd247cd37dd6d00d4bf2b719ae548c8fb191b90e0925b5273458ea9e557af.exe | N/A |
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\efafd247cd37dd6d00d4bf2b719ae548c8fb191b90e0925b5273458ea9e557af.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\efafd247cd37dd6d00d4bf2b719ae548c8fb191b90e0925b5273458ea9e557af.exe | N/A |
Identifies Wine through registry keys
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Wine | C:\Users\Admin\AppData\Local\Temp\efafd247cd37dd6d00d4bf2b719ae548c8fb191b90e0925b5273458ea9e557af.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\efafd247cd37dd6d00d4bf2b719ae548c8fb191b90e0925b5273458ea9e557af.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\efafd247cd37dd6d00d4bf2b719ae548c8fb191b90e0925b5273458ea9e557af.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\efafd247cd37dd6d00d4bf2b719ae548c8fb191b90e0925b5273458ea9e557af.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\efafd247cd37dd6d00d4bf2b719ae548c8fb191b90e0925b5273458ea9e557af.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\efafd247cd37dd6d00d4bf2b719ae548c8fb191b90e0925b5273458ea9e557af.exe
"C:\Users\Admin\AppData\Local\Temp\efafd247cd37dd6d00d4bf2b719ae548c8fb191b90e0925b5273458ea9e557af.exe"
Network
| Country | Destination | Domain | Proto |
| RU | 185.215.113.103:80 | 185.215.113.103 | tcp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.113.215.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
Files
memory/3412-0-0x0000000000EC0000-0x00000000013A1000-memory.dmp
memory/3412-1-0x00000000770A4000-0x00000000770A6000-memory.dmp
memory/3412-2-0x0000000000EC1000-0x0000000000ED5000-memory.dmp
memory/3412-3-0x0000000000EC0000-0x00000000013A1000-memory.dmp
memory/3412-4-0x0000000000EC0000-0x00000000013A1000-memory.dmp